AGSO Cruise 149 Report: Antarctic Sediment Studies for Climate History, 1995

A 1995 research cruise report from the R.V. Aurora Australis details a marine geoscience program in Prydz Bay and the Kerguelen Plateau. The program, led by AGSO and the Antarctic Co-operative Research Centre, aimed to study sedimentary records to understand Antarctic ice sheet behavior and Southern Ocean circulation changes over time intervals from 0-10,000 to 0-5,000,000 years. The report describes the scientific background, goals, and planned methods for collecting sediment samples to inform climate modeling.

Use Cases

• Modeling past Antarctic ice sheet fluctuations based on sediment records from Prydz Bay.
• Reconstructing Southern Ocean water mass history based on sediment sequences from the Kerguelen Plateau.
• Analyzing Plio-Pleistocene environmental changes based on sedimentary evidence from the MacRobertson Shelf.

Strengths

• Report details a specific scientific expedition (AGSO Cruise 149) with a clear temporal focus (February-April 1995).
• Describes three distinct geographical study targets: Prydz Bay trough-mouth fans, MacRobertson Shelf basins, and Kerguelen Plateau basins.
• Explicitly links data collection goals to three defined paleoclimate time intervals (0-10k, 0-160k, and 0-5M years).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The primary data files are not described; the record is a pre-cruise report in PDF/HTML format.

Provenance

Source

Geoscience Australia Data

Collection Method

Marine geoscience survey conducted during a research cruise.

Time Range

Cruise conducted February-April 1995; study targets paleoclimate records from 0 to 5,000,000 years before present.

Freshness

Last updated 2026-04-20 02:14:12.590382; freshness should be verified.

Geography

Prydz Bay, MacRobertson Shelf, and Kerguelen Plateau in the Southern Ocean/Antarctic region.